Machine element or mechanism – Gearing – Interchangeably locked
Reexamination Certificate
2011-03-29
2011-03-29
Ho, Ha D. (Department: 3655)
Machine element or mechanism
Gearing
Interchangeably locked
C074S331000
Reexamination Certificate
active
07913582
ABSTRACT:
A transmission for a tractor has a main transmission part between a forward/reverse transmission part and a sub transmission part. The main transmission part has a driving shaft, a first sub shaft parallel with the driving shaft, a second sub shaft parallel with the first sub shaft, an output shaft arranged between the first sub shaft and the second sub shaft, first and second driving gears installed spaced to a distance from each other, third and fourth driving gears installed spaced to a distance from each other, a first output gear installed on the output shaft, a second output gear installed on the output shaft, a first clutch arranged between the first driving gear and the second driving gear, and a second clutch arranged between the third driving gear and the fourth driving gear.
REFERENCES:
patent: 4960005 (1990-10-01), Kashiwase
patent: 6634247 (2003-10-01), Pels et al.
patent: 7166059 (2007-01-01), Reitz et al.
patent: 7625311 (2009-12-01), Dilzer
patent: 07-137553 (1995-05-01), None
patent: 07-139618 (1995-05-01), None
patent: 10-2001-0014550 (2001-02-01), None
Kim Hyo-Jung
Lee Sang-heon
Ho Ha D.
LS Mtron Ltd.
McDermott Will & Emery LLP
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